<template>
  <div class="login-container">
     <!-- <div id="canvascontainer" ref='can'></div> -->
     <div id='test'>
    <el-form ref="loginForm" :model="loginForm" :rules="loginRules" class="login-form" autocomplete="on" label-position="left">

      <div class="title-container">
        <h3 class="title">CMS云教务</h3>
      </div>

      <el-form-item prop="username">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="username"
          v-model="loginForm.username"
          placeholder="Username"
          name="username"
          type="text"
          tabindex="1"
          autocomplete="on"
        />
      </el-form-item>

      <el-tooltip v-model="capsTooltip" content="Caps lock is On" placement="right" manual>
        <el-form-item prop="password">
          <span class="svg-container">
            <svg-icon icon-class="password" />
          </span>
          <el-input
            :key="passwordType"
            ref="password"
            v-model="loginForm.password"
            :type="passwordType"
            placeholder="Password"
            name="password"
            tabindex="2"
            autocomplete="on"
            @keyup.native="checkCapslock"
            @blur="capsTooltip = false"
            @keyup.enter.native="handleLogin"
          />
          <span class="show-pwd" @click="showPwd">
            <svg-icon :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'" />
          </span>
        </el-form-item>
      </el-tooltip>

      <el-button :loading="loading" type="primary" style="width:100%;margin-bottom:30px;" @click.native.prevent="handleLogin">登录</el-button>

      <div style="position:relative">
        <div class="tips">
          <span></span>
          <span></span>
        </div>
        <div class="tips">
          <span style="margin-right:18px;"></span>
          <span></span>
        </div>

        <el-button class="thirdparty-button" type="primary" @click="showDialog=true">
          第三方登录
        </el-button>
      </div>
    </el-form>

    <el-dialog title="第三方登录" :visible.sync="showDialog">
      点击下方即可使用第三方登录
      <br>
      <br>
      <br>
      <social-sign />
    </el-dialog>
    </div>
  </div>
</template>

<script>
import { Message } from 'element-ui'
import SocialSign from './components/SocialSignin'


export default {
  name: 'Login',
  components: { SocialSign },
  data() {
    // 验证用户名
    // const validateUsername = (rule, value, callback) => {
    //   if (!validUsername(value)) {
    //     callback(new Error('Please enter the correct user name'))
    //   } else {
    //     callback()
    //   }
    // }
    //验证密码
    const validatePassword = (rule, value, callback) => {
      if (value.length < 4) {
        callback(new Error('密码不能少于4位'))
      } else {
        callback()
      }
    }
    return {
      loginForm: {
        username: '110',
        password: '123456'
      },
      loginRules: {
        password: [{ required: true, trigger: 'blur', validator: validatePassword }]
      },
      passwordType: 'password',
      capsTooltip: false,
      loading: false,
      showDialog: false,
      redirect: undefined,
      otherQuery: {}
    }
  },
  watch: {
    $route: {
      handler: function(route) {
        const query = route.query
        if (query) {
          this.redirect = query.redirect
          this.otherQuery = this.getOtherQuery(query)
        }
      },
      immediate: true
    }
  },
  created() {
    // window.addEventListener('storage', this.afterQRScan)
  },
  mounted() {
    if (this.loginForm.username === '') {
      this.$refs.username.focus()
    } else if (this.loginForm.password === '') {
      this.$refs.password.focus()
    }
      
  },
  destroyed() {
    // window.removeEventListener('storage', this.afterQRScan)
  },
  methods: {
    checkCapslock(e) {
      const { key } = e
      this.capsTooltip = key && key.length === 1 && (key >= 'A' && key <= 'Z')
    },
    showPwd() {
      if (this.passwordType === 'password') {
        this.passwordType = ''
      } else {
        this.passwordType = 'password'
      }
      this.$nextTick(() => {
        this.$refs.password.focus()
      })
    },
    //登录的方法(直接调用store的方法)
    handleLogin() {
      //做验证 验证用户名和密码是否合法 前端验证
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.loading = true
          //调用登录的方法
          this.$store.dispatch('user/login', this.loginForm)
            .then(() => {
              this.$router.push({ path: this.redirect || '/', query: this.otherQuery })
              // window.location.reload()
              this.loading = false
            })
            .catch(() => {
              this.loading = false
            })
        } else {
          console.log('error submit!!')
          return false
        }
      })
    },
    getOtherQuery(query) {
      return Object.keys(query).reduce((acc, cur) => {
        if (cur !== 'redirect') {
          acc[cur] = query[cur]
        }
        return acc
      }, {})
    }
    // afterQRScan() {
    //   if (e.key === 'x-admin-oauth-code') {
    //     const code = getQueryObject(e.newValue)
    //     const codeMap = {
    //       wechat: 'code',
    //       tencent: 'code'
    //     }
    //     const type = codeMap[this.auth_type]
    //     const codeName = code[type]
    //     if (codeName) {
    //       this.$store.dispatch('LoginByThirdparty', codeName).then(() => {
    //         this.$router.push({ path: this.redirect || '/' })
    //       })
    //     } else {
    //       alert('第三方登录失败')
    //     }
    //   }
    // }
  }
}
// var SEPARATION = 100, AMOUNTX = 50, AMOUNTY = 50;

// 			var container;
// 			var camera, scene, renderer;

// 			var particles, particle, count = 0;

// 			var mouseX = 0, mouseY = 0;

// 			var windowHalfX = window.innerWidth / 2;
// 			var windowHalfY = window.innerHeight / 2;

// 			init();
// 			animate();

// 			function init() {

// 				container = document.createElement( 'div' );
// 				document.body.appendChild( container );

// 				camera = new THREE.PerspectiveCamera( 75, window.innerWidth / window.innerHeight, 1, 10000 );
// 				camera.position.z = 1000;

// 				scene = new THREE.Scene();

// 				particles = new Array();

// 				var PI2 = Math.PI * 2;
// 				var material = new THREE.ParticleCanvasMaterial( {

// 					color: 0x0196FF,
// 					program: function ( context ) {

// 						context.beginPath();
// 						context.arc( 0, 0, 1, 0, PI2, true );
// 						context.fill();

// 					}

// 				} );

// 				var i = 0;

// 				for ( var ix = 0; ix < AMOUNTX; ix ++ ) {

// 					for ( var iy = 0; iy < AMOUNTY; iy ++ ) {

// 						particle = particles[ i ++ ] = new THREE.Particle( material );
// 						particle.position.x = ix * SEPARATION - ( ( AMOUNTX * SEPARATION ) / 2 );
// 						particle.position.z = iy * SEPARATION - ( ( AMOUNTY * SEPARATION ) / 2 );
// 						scene.add( particle );

// 					}

// 				}

// 				renderer = new THREE.CanvasRenderer();
// 				renderer.setSize( window.innerWidth, window.innerHeight );
// 				container.appendChild( renderer.domElement );

// 				document.addEventListener( 'mousemove', onDocumentMouseMove, false );
// 				document.addEventListener( 'touchstart', onDocumentTouchStart, false );
// 				document.addEventListener( 'touchmove', onDocumentTouchMove, false );

// 				//

// 				window.addEventListener( 'resize', onWindowResize, false );

// 			}

// 			function onWindowResize() {

// 				windowHalfX = window.innerWidth / 2;
// 				windowHalfY = window.innerHeight / 2;

// 				camera.aspect = window.innerWidth / window.innerHeight;
// 				camera.updateProjectionMatrix();

// 				renderer.setSize( window.innerWidth, window.innerHeight );

// 			}

// 			//

// 			function onDocumentMouseMove( event ) {

// 				mouseX = event.clientX - windowHalfX;
// 				mouseY = event.clientY - windowHalfY;

// 			}

// 			function onDocumentTouchStart( event ) {

// 				if ( event.touches.length === 1 ) {

// 					event.preventDefault();

// 					mouseX = event.touches[ 0 ].pageX - windowHalfX;
// 					mouseY = event.touches[ 0 ].pageY - windowHalfY;

// 				}

// 			}

// 			function onDocumentTouchMove( event ) {

// 				if ( event.touches.length === 1 ) {

// 					event.preventDefault();

// 					mouseX = event.touches[ 0 ].pageX - windowHalfX;
// 					mouseY = event.touches[ 0 ].pageY - windowHalfY;

// 				}

// 			}

// 			//

// 			function animate() {

// 				requestAnimationFrame( animate );

// 				render();


// 			}

// 			function render() {

// 				camera.position.x += ( mouseX - camera.position.x ) * .05;
// 				camera.position.y += ( - mouseY - camera.position.y ) * .05;
// 				camera.lookAt( scene.position );

// 				var i = 0;

// 				for ( var ix = 0; ix < AMOUNTX; ix ++ ) {

// 					for ( var iy = 0; iy < AMOUNTY; iy ++ ) {

// 						particle = particles[ i++ ];
// 						particle.position.y = ( Math.sin( ( ix + count ) * 0.3 ) * 50 ) + ( Math.sin( ( iy + count ) * 0.5 ) * 50 );
// 						particle.scale.x = particle.scale.y = ( Math.sin( ( ix + count ) * 0.3 ) + 1 ) * 2 + ( Math.sin( ( iy + count ) * 0.5 ) + 1 ) * 2;

// 					}

// 				}

// 				renderer.render( scene, camera );

// 				count += 0.1;

// 			}

</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg:#122133a1;
$light_gray:#fff;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

// canvas{
//       background-color: #030f20ee;
//        position:absolute; left:0px; top:0px;
//         z-index:-1;
// 				margin: 0px;
// 				overflow: hidden;
        
// }

/* reset element-ui css */
.login-container {
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(0, 0, 0, 0.1);
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style lang="scss" scoped>
$bg:#081c42;
$dark_gray:#889aa4;
$light_gray:#eee;


#test{
  background-color: #ffffff2d;
  // background-color: rgb(255, 255, 255);
  float: right;
  height: 100%;
  width: 31%;
}


.login-container {
  height: 100%;
  min-height: 100%;
  width: 100%;
  // background-color: $bg;
  background-image: url("../../../public/33967836.jpg");
  background-size:100% 100%; 
  overflow: hidden;

  #app{
     z-index:1001;
    position: relative;
  }

  .login-form {

    // border: 1px dashed rgb(255, 255, 255);
    // border-bottom-left-radius:30px;
    // border-top-left-radius:30px;
    z-index:55;
    // position: relative;
    // left: 500px;
    // top: 250px;
    // width: 520px;
    // max-width: 100%;
    padding: 50% 100px 56% 100px;
    margin: 0 auto;
    overflow: hidden;
    // background-color: #0413533b;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }

  .thirdparty-button {
    position: absolute;
    right: 0;
    bottom: 6px;
  }

  @media only screen and (max-width: 470px) {
    .thirdparty-button {
      display: none;
    }
  }
}
</style>
